From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5297 invoked by alias); 28 Oct 2008 15:04:03 -0000 Received: (qmail 5052 invoked by uid 48); 28 Oct 2008 15:02:36 -0000 Date: Tue, 28 Oct 2008 15:04:00 -0000 Message-ID: <20081028150236.5051.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug libgomp/37938] libgomp testsuite failures on ia64-linux In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2008-10/txt/msg01822.txt.bz2 ------- Comment #1 from jakub at gcc dot gnu dot org 2008-10-28 15:02 ------- BTW, using + reduction in the same loop (and with asm optimization barrier for that variable) I see the reduction computed value always correct, so the loop body is executed the correct number of times. That means in some cases the memory reads/writes between GOMP_atomic_{start,end} must overlap between threads. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37938